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Flight Reliability

AS 688 · Alaska Airlines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and AS 688 moved between routes during this period. Numbers below combine all of them, so treat them as background, not a verdict. For a cleaner answer, check the route you are actually flying.

Combined across all its routes

59%
Arrive within 15 minutes
21 min
Average arrival delay
0.7%
Cancelled
10 min
Median arrival delay

Based on 269 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon59%(41 flights)
  • Tue69%(42 flights)
  • Wed71%(38 flights)
  • Thu56%(41 flights)
  • Fri55%(42 flights)
  • Sat62%(21 flights)
  • Sun45%(42 flights)
On-time by departure window
  • 3–6 PM63%(217 flights)
  • 6–9 PM44%(50 flights)
On-time trend by month
17%
May

Jun 60% → May 17% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202560%25
July 202570%27
August 202569%16
November 202572%29
December 202558%24
January 202690%30
February 202677%26
March 202652%27
April 202630%27
May 202617%30
Departures on time
62%
Diverted
0%
Flights flown
267
Months covered
11

Keep nerding

Based on 269 historical flights, because apparently we checked. Historical flight data: U.S. Bureau of Transportation Statistics, June 2025 – May 2026. Data through May 2026. How we calculate this.